637637580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8923}}^1$

素因数の和:9335

約数の個数: 72

約数和(自身を含む): 1939256592

約数和(自身を除く): 1301619012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 3573, 3970, 4764, 5955, 7146, 7940, 8923, 11910, 14292, 17846, 17865, 23820, 26769, 35692, 35730, 44615, 53538, 71460, 80307, 89230, 107076, 133845, 160614, 178460, 267690, 321228, 401535, 535380, 803070, 1606140, 3542431, 7084862, 10627293, 14169724, 17712155, 21254586, 31881879, 35424310, 42509172, 53136465, 63763758, 70848620, 106272930, 127527516, 159409395, 212545860, 318818790, 637637580]

約数ペア:

[(1, 637637580), (2, 318818790), (3, 212545860), (4, 159409395), (5, 127527516), (6, 106272930), (9, 70848620), (10, 63763758), (12, 53136465), (15, 42509172), (18, 35424310), (20, 31881879), (30, 21254586), (36, 17712155), (45, 14169724), (60, 10627293), (90, 7084862), (180, 3542431), (397, 1606140), (794, 803070), (1191, 535380), (1588, 401535), (1985, 321228), (2382, 267690), (3573, 178460), (3970, 160614), (4764, 133845), (5955, 107076), (7146, 89230), (7940, 80307), (8923, 71460), (11910, 53538), (14292, 44615), (17846, 35730), (17865, 35692), (23820, 26769)]